EP3566553B1 - Pansement permanent à électrode à plasma - Google Patents

Pansement permanent à électrode à plasma Download PDF

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Publication number
EP3566553B1
EP3566553B1 EP17835582.2A EP17835582A EP3566553B1 EP 3566553 B1 EP3566553 B1 EP 3566553B1 EP 17835582 A EP17835582 A EP 17835582A EP 3566553 B1 EP3566553 B1 EP 3566553B1
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EP
European Patent Office
Prior art keywords
electrode
control device
treatment device
dielectric layer
voltage
Prior art date
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Application number
EP17835582.2A
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German (de)
English (en)
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EP3566553A1 (fr
Inventor
Mirko HAHNL
Karl-Otto Storck
Leonhard Trutwig
Dirk Wandke
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Cinogy GmbH
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Cinogy GmbH
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Publication of EP3566553A1 publication Critical patent/EP3566553A1/fr
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/042—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating using additional gas becoming plasma
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/44—Applying ionised fluids
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A61N1/0404—Electrodes for external use
    • A61N1/0408—Use-related aspects
    • A61N1/0468—Specially adapted for promoting wound healing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/08—Arrangements or circuits for monitoring, protecting, controlling or indicating
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/2406—Generating plasma using dielectric barrier discharges, i.e. with a dielectric interposed between the electrodes
    • H05H1/2439—Surface discharges, e.g. air flow control
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
    • A61B2018/00452—Skin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B2018/147—Electrodes transferring energy by capacitive coupling, i.e. with a dielectricum between electrode and target tissue
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/2406—Generating plasma using dielectric barrier discharges, i.e. with a dielectric interposed between the electrodes
    • H05H1/2418—Generating plasma using dielectric barrier discharges, i.e. with a dielectric interposed between the electrodes the electrodes being embedded in the dielectric
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H2242/00—Auxiliary systems
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H2245/00—Applications of plasma devices
    • H05H2245/30—Medical applications
    • H05H2245/34—Skin treatments, e.g. disinfection or wound treatment
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H2245/00—Applications of plasma devices
    • H05H2245/30—Medical applications
    • H05H2245/36—Sterilisation of objects, liquids, volumes or surfaces
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H2245/00—Applications of plasma devices
    • H05H2245/60—Portable devices

Definitions

  • the invention relates to a treatment device for dielectrically impeded plasma treatment of a wound or skin surface, with a flexible flat electrode arrangement with at least one flat electrode and a dielectric layer which at least partially embeds the at least one electrode and has a contact side facing the wound or skin surface and the flat electrode electrically shields from the wound or skin surface in such a way that only a dielectrically impeded flow of current from the electrode to the wound or skin surface is possible, and with a control device having a separate housing via which the electrode is connected to a Operating voltage is connectable.
  • Such a treatment device is through DE 10 2014 013 716 A1 known.
  • the flexible flat electrode arrangement is designed in such a way that its contact side can rest directly on a wound surface.
  • the dielectric itself is made of a wound-compatible material or the dielectric is provided with a wound-healing layer on the contact side, which can be a conventional gauze-cellulose layer or a layer made of a solid, open-pore matrix made of a caring or healing material.
  • the layer can be grown directly onto the dielectric. Due to the open pores of the layer, the desired plasma can form in the material of the matrix.
  • the dielectric itself can be provided with a structure on the contact side which, for example, consists of knobs and can rest on the wound surface and form air spaces between them, in which the plasma can arise due to the electrical control of the electrode.
  • the flat electrode arrangement can be designed as a one-piece support piece and have a tongue-shaped extension with which the support piece can be inserted into a receiving slot in the housing of the control device designed as a handle can be plugged in. When plugged in, the electrode can be contacted with the operating voltage generated in the control device in the form of high-voltage signals suitable for plasma generation.
  • Both the dielectric layer and the flat electrode can be provided with through openings which are suitable both for suctioning fluid from the wound area and for blowing in gases that promote wound healing.
  • the known treatment device is suitable for disinfecting the wound surface with a short-term plasma treatment, so that a usual wound covering, possibly soaked with a medicament that promotes wound healing, can then be applied again for a few hours.
  • the wound dressing is then removed again and another plasma treatment is carried out with the treatment device in order to avoid an accumulation of microorganisms in the wound surface or in the wound secretion.
  • the plasma treatment stimulates the microcirculation in the skin.
  • a treatment device for long-term treatment is in US 2016/0031989 A1 described.
  • the device has a flexible, flat support piece that contains an electrode arrangement with a dielectric.
  • the arrangement is applied to a polymer film, which is provided with numerous through openings for good ventilation.
  • the contact side of the electrode arrangement which is intended to be placed on the skin of a person, is provided with a gauze cover.
  • the support piece can be connected to a control device in which the control signals for the electrode arrangement are generated. The transmission takes place via a high-voltage cable with a plug connection, for which the electrode arrangement has an integrated control socket.
  • a flat pocket can be plugged into the support piece via the plug connection, in which a battery arrangement and an inverter for generating the Control signals for the electrode arrangement is located.
  • Aesthetic treatments for removing wrinkles and restoring skin elasticity, as well as treatments for chronic skin diseases, such as athlete's foot, are described as applications for this known arrangement.
  • the plasma treatment With the plasma treatment, the skin areas are disinfected and activated so that affected skin areas, such as burns, can be restored, hair loss prevented and hair growth promoted.
  • US 2016/0271411 A1 describes a plasma treatment device that also consists of a control device and a plasma applicator to be applied to a body part.
  • the control device has a pump with which gas or air can be sucked from the treatment room between the plasma applicator and the skin surface via a connecting line.
  • the connecting line can be detachably connected to the plasma applicator and establishes the communication connection with the suction chamber via an opening in the disk-shaped plasma applicator.
  • the control unit can be supplied with batteries so that it can be carried by the patient, for example for a walk.
  • the control unit is not intended to be attached to the body.
  • the present invention is based on the object of designing a treatment device of the type mentioned in such a way that an improved treatment of a wound or skin surface is possible.
  • a treatment device of the type mentioned is characterized in that the arrangement of electrode and dielectric layer in the area of the passage openings is covered in a gastight manner with an airtight cover that does not impair the flexibility of the electrode arrangement and thus a communicating with the passage openings Fluid space limits that a line is connected to the cover and that the control unit contains a pump that can be connected to the fluid space via the line.
  • the treatment device according to the invention is thus designed to be placed permanently on the wound or skin surface with the electrode arrangement consisting of the electrode and dielectric layer, i.e. not only for the period of treatment of the wound or skin surface with a plasma for the purpose of killing germs and / or stimulation of the microcirculation in the tissue.
  • the hitherto usual change between a conventional wound dressing and the application of an electrode arrangement for carrying out a disinfecting plasma treatment of the wound surface is thus eliminated. So that the arrangement of the electrode and dielectric layer is suitable as an uninterrupted support on a wound or skin surface in this sense, the arrangement is designed so that an accumulation of wound exudate on the support side can be drained through the through openings.
  • absorbent material is arranged on the top side of the dielectric layer, which is opposite the contact side, and is transported with the wound exudate from the contact side of the arrangement through through openings in order to remain on the top side of the dielectric layer.
  • the removal of wound exudate from the wound surface is promoted in a manner known per se by creating a vacuum using a suction pump.
  • the through openings can optionally be used to supply a healing substance.
  • the control device is attached in the immediate vicinity of the arrangement of electrode and dielectric layer serving as a wound or skin dressing on the body of the living being having the wound or skin surface.
  • the control unit is small and light and is attached directly to the body, for example by means of a fastening loop that is placed around the neck, for example, and / or with the aid of a suction cup that can be attached to the skin in the manner of EKG electrodes .
  • the adhesive connection can be provided alone or in conjunction with a mechanical fastening. What kind of attachment in the In each individual case, it makes sense to decide on the location of the wound or skin surface and the fastening options in the vicinity of the wound or skin surface.
  • the aim is to have a short distance between the support arrangement of electrode and dielectric layer on the one hand and the control device on the other hand, especially if a high-voltage signal (peak voltage of a few kV) is transmitted via this connection.
  • the present invention provides that the dielectric layer is provided with through openings and the arrangement of electrode and dielectric layer in the area of the through openings is covered in a gas-tight manner with an airtight cover and thus delimits a fluid space that communicates with the through holes the cover is connected to a line.
  • the control unit contains a pump which can be connected to the fluid space via the line.
  • the treatment device itself has the pump, with which, for example, wound secretion can be suctioned off without impairing the handling of the treatment device and the mobility of the patient.
  • the suctioned liquid can be collected in the suction space above the dielectric layer if the suction space is at least partially filled with a liquid-absorbing material.
  • a container for receiving fluid transported by the pump is connected upstream of the pump in the flow path in the control device.
  • the container is preferably interchangeably connected to the pump and / or the housing. It is advantageous if there is a gas-permeable, liquid-retaining filter in the container in the flow path to the pump. This ensures that no liquid drawn off gets into the pump but is retained in the container. If the container is fastened interchangeably, the control unit can be used for another application without any problems. Since the components of the control unit are cheap mass-produced components, it can be useful for certain applications be to refrain from sterilizing the control device after use and to dispose of the control device together with the support piece formed by the electrode and dielectric layer.
  • the described arrangement with the passage openings and an airtight cover is not only suitable for performing suction, but also for supplying a healing or skin-care substance to the area of the skin area in which the plasma treatment takes place.
  • the plasma treatment can, if necessary, be effectively supported because the plasma treatment significantly increases the skin's absorption capacity for healing or caring substances.
  • the supply of the substance can be automated if the control device has a supply pump for this purpose, the switching on and off of which is controlled by a microcontroller, preferably in coordination with periods of the plasma treatment.
  • the arrangement of electrode and dielectric layer forms a tongue-shaped connection piece that can be inserted and fixed as a narrow web in a receiving slot of the control device to establish an electrical connection between the operating voltage and the electrode.
  • the connection between the arrangement and the control device can be designed to be detachable by means of an operating button.
  • the at least one electrode and the dielectric layer are contained in a one-piece support piece.
  • the pad is designed as a permanent wound or skin pad.
  • the operating voltage supplied to the electrode in the control device is formed by high-voltage signals with which the dielectrically impeded plasma discharge is created on the contact side of the dielectric layer, the body acting as a counter electrode in the area of the wound or skin surface
  • the operating voltage supplied to the electrode in the control device is an alternating voltage that is not yet a high voltage, but that reaches the electrode via a high voltage stage, the high voltage stage being arranged on the support piece or integrated into the support piece.
  • control device has a battery voltage supply, the output DC voltage of which is converted into AC voltage signals in the control device with a converter stage.
  • the battery voltage supply can be formed with conventional disposable batteries, but also with rechargeable batteries (accumulators).
  • the first embodiment shown reveals a support piece 1 which is directly connected to a control device 2.
  • the control device 2 is provided with a fastening device 3 in the form of a fastening loop in order to attach the control device 2 to the body of a patient.
  • the support piece 1 consists of a frame-shaped edge piece 4, which is provided with a pressure-sensitive adhesive on an underside and is provided for adhesive support on the skin of a patient, possibly around a wound area.
  • the edge piece 4 projects beyond a dielectric layer 5 on all sides, which is flat and flexible and embeds a flat and flexible electrode 6 and shields it against contact on all sides.
  • the dielectric layer 5 prevents a direct galvanic current from flowing from the electrode 6 to the patient's skin, which acts as a counter electrode, when the lower side of the dielectric layer (contact side 7) rests on the patient's skin in the area of a wound or skin surface.
  • the dielectric layer 5 On the upper side of the dielectric layer 5, that is to say on the side opposite the contact side, the dielectric layer 5 is covered airtight with a gas-tight cover 8.
  • the cover does not affect the flexibility of the support piece 1 and is for example designed in the form of a film.
  • the electrode 6 and the dielectric layer 5 together form a tongue-shaped projection 11 with which the electrode 6, which is encased by the dielectric layer 5, extends into the control unit 2.
  • the control device 2 is provided with a button 12 with which the connection of the tongue-shaped extension 11 to the control device 2 can be released.
  • Figure 1 also shows an on / off button 13 and two indicator lights 14 for displaying operating states of the control device 2.
  • FIG 2 also makes it clear that the control device 2 can also be fixed to the patient's body by means of a further fastening device 3 ', here in the form of a suction cup.
  • the fastening devices 3 and 3 'thus work together to fix the control device 2 on the patient's body.
  • the control device 2 shown is shown as a wireless device and has three batteries 15 with which a battery voltage supply is produced. The supply voltage from the batteries 15 reaches a microcontroller 16, which controls the sequence of the control device 2.
  • the microcontroller 16 controls an inverter stage 17 with which an alternating voltage with an increased peak voltage of, for example, 250 V is generated from the direct voltage of the batteries 15 in a manner known per se.
  • the inverter stage 17 feeds a high-voltage stage 19 via a first output 18, in which high-voltage pulses of opposite polarity of a few 10 kV are generated. This is done in a manner known per se with the aid of ignition gaps (not shown) which ignite when a threshold voltage is exceeded and cause a current pulse through a primary coil.
  • a secondary coil wound with a suitable transformer ratio causes a high-voltage pulse to arise at its output, which is conducted to a contact 20 of a contact device 21.
  • the contact device 21 can be locked and unlocked with the button 12.
  • a second output 22 of the inverter stage 17 feeds a suction pump 23, which protrudes with a hose connector 24 from a housing 25 surrounding the control unit 2 and enables the connection to the hose line 10.
  • the switching on and off of the high voltage supply by the high voltage stage 19 can expediently be controlled by a program stored in the microcontroller 16.
  • the plasma treatment can take place over a period of 1 to 2 minutes, which can be followed by a break of several hours.
  • the suction by the suction pump 23 can be periodically controlled in a suitable manner, for example for a few seconds at time intervals between 10 and 60 minutes in the case of acutely exuding wounds.
  • FIG. 4 to 6 The embodiment shown, a practically identical structure of the support piece 1 and the control device 2 is realized. The only difference is that the suction pump 23 has an attached container 26 which has a receiving chamber (indicated by symbol 27) and a filter (indicated by symbol 28). In the receiving chamber 27 of the container 26 sucked liquid is collected. The filter 28 prevents the sucked liquid from getting into the suction pump 23. After the treatment has ended, the container 26 can be detached from the pump 23 and disposed of with the liquid that has been sucked off.
  • Figure 6 shows that the container 26 is arranged between the pump 23 and the connecting piece 24.
  • the Figures 7 to 9 illustrate the structure of the support piece 1 in an enlarged representation.
  • the dielectric layer 5 on the support side 7 forms a lattice-shaped structure 29, which is created by mutually perpendicular webs 30 of the same height.
  • chambers 31 which are open towards the support side 7 are formed, which are shielded on their upper side by a continuous layer of the dielectric layer 5 from the electrode 6 embedded in the dielectric layer 5.
  • the shape of the chambers 31 can also be diamond-shaped, honeycomb-shaped or also round.
  • the dielectric layer has a through opening 32 in the center of the chambers 31, which Open into a suction space 33 which is delimited by the cover 8 on the one hand and the dielectric layer 5 on the other hand.
  • the suction space 33 can be filled with an absorbent material which allows the air suction flow through the suction pump 23 to pass through, but which holds back the liquid drawn off.
  • the filling of the suction space 33 with a liquid-absorbing material is particularly advantageous if, according to the first embodiment, the suction pump 23 is used without a container 26 connected upstream.
  • the electrode 6 also has through openings which are aligned with the through openings 32, but have a larger diameter, so that the dielectric layer 5 continuously forms the wall of the through openings 32 so that there is no direct contact of liquid with the electrode 6 carrying the high voltage can be done.
  • the thickness of the dielectric layer 5 located in the through openings 32 is so great that voltage breakdowns or micro-discharges are reliably avoided.
  • the cover 8 extends over the entire area of the electrode 6 and the dielectric layer 5 in which the through openings 32 are located.
  • the suction space 33 thus communicates with the through openings 32 but otherwise seals the dielectric layer 5 in the region of the suction space 33 in a gas-tight manner.
  • the in Figure 7 recognizable tongue-shaped projection 11 contains a strip-shaped projection of the electrode 6, which is completely enclosed by the dielectric layer 5, with the exception of that in FIG Figure 7 recognizable recess 34 through which a small piece of the electrode 6 is exposed to the top.
  • the tongue-shaped extension 11 is pushed into the corresponding receiving slot of the control device 2, so that the contact with the contact 20 can take place at a distance from the slot within the housing 25 of the control device.
  • the Figures 10 and 11 allow the support piece 1 to be seen from the support side where the dielectric layer has the lattice structure 29.
  • the area of the lattice structure 29 also extends the extent of the electrode 6, which in this Embodiment with a flat extension 35 is connected to the output of a high-voltage stage 36, which is located in this embodiment within the dielectric layer 5 in the support piece 1.
  • the support piece 1 according to Figure 10 only supplied with an alternating voltage, as it is for example at the outputs 18, 22 of the inverter stage 17 in the embodiments of FIG Figures 1 to 6 pending.
  • the high-voltage stage 36 is preferably integrated into the material of the dielectric layer 5, which for this purpose can be formed with an increased thickness at the edge in which the high-voltage stage 36 is located, as is shown in the sectional view of FIG Figure 11 clarifies in which the relevant edge can be seen as a view.
  • inverter stage 17 can also be integrated into the material of the dielectric layer 5, so that in this case the control device 2 would only have to provide the DC voltage supply.
  • the two electrodes 6, 6 preferably both work as high-voltage electrodes and are controlled with high-voltage pulses of opposite polarity.
  • the effect of the plasma field arises from the fact that both electrodes use the patient's body as a counter electrode, but that between the two electrodes there is an intensified electric field that intensifies and promotes plasma formation.
  • the embodiments described do not limit the possible designs of the treatment device according to the invention.
  • it is not necessary to contact the support piece 1 directly via the tongue-shaped projection 11 with the control device.
  • it is not necessary to establish a detachable connection between the support piece 1 and the control device 2 if the control device 2 is disposed of together with the support piece 1 after the end of the treatment.
  • a fixed or clamping, non-releasable connection between support piece 1 and control unit 2 is possible and useful.

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  • Life Sciences & Earth Sciences (AREA)
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  • General Health & Medical Sciences (AREA)
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  • Animal Behavior & Ethology (AREA)
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  • Plasma Technology (AREA)
  • Surgical Instruments (AREA)

Claims (11)

  1. Appareil de traitement pour le traitement par plasma à barrière diélectrique d'une surface de plaie ou de peau, comprenant un ensemble d'électrodes surfacique flexible avec au moins une électrode surfacique et flexible (6, 6') et une couche diélectrique surfacique et flexible (5) qui enrobe ladite au moins une électrode et qui la protège sur tous les côtés à l'encontre d'un contact, et qui présente une face d'application (7) tournée vers la surface de plaie ou de peau et protège électriquement l'électrode surfacique et flexible (6, 6') vis-à-vis de la surface de plaie ou de peau de telle sorte que seul un courant à barrière diélectrique circulant depuis l'électrode (6, 6') jusqu'à la surface de plaie ou de peau est possible, et comprenant une unité de commande (2) présentant un boîtier (25) séparé, par laquelle l'électrode (6, 6') peut être connectée à une tension de fonctionnement,
    dans lequel
    le boîtier (25) de l'unité de commande (2) présente un dispositif de fixation (3, 3') qui sert à fixer l'unité de commande (2) au corps d'un patient, et
    la couche diélectrique (5) est pourvue d'ouvertures traversantes (32), caractérisé en ce que
    l'ensemble d'électrodes (6, 6') est recouvert de façon étanche aux gaz dans la zone des ouvertures traversantes (32) d'un recouvrement (8) étanche à l'air qui n'entrave pas la flexibilité de l'ensemble d'électrodes, et délimite ainsi une chambre à fluide (33) communiquant avec les ouvertures traversantes (32) de telle sorte qu'une conduite (10) est raccordée au recouvrement (8) et que l'unité de commande (2) contient une pompe (23) qui peut être reliée à la chambre à fluide (33) par l'intermédiaire de la conduite (10).
  2. Appareil de traitement selon la revendication 1,
    caractérisé en ce que la chambre à fluide (33) est au moins partiellement remplie d'un matériau absorbant les liquides.
  3. Appareil de traitement selon la revendication 1 ou 2,
    caractérisé en ce qu'un récipient (26) destiné à recevoir ou à distribuer un liquide transporté par la pompe (23) est monté dans l'unité de commande (2) en amont de la pompe (23) dans le trajet d'écoulement.
  4. Appareil de traitement selon la revendication 3,
    caractérisé en ce qu'un filtre (28) perméable aux gaz et retenant les liquides est situé dans le récipient (26) dans le trajet d'écoulement vers la pompe.
  5. Appareil de traitement selon la revendication 3 ou 4,
    caractérisé en ce que le récipient (26) est relié de manière interchangeable à la pompe (23) et/ou au boîtier (25).
  6. Appareil de traitement selon l'une des revendications 1 à 5,
    caractérisé en ce que l'ensemble constitué de l'électrode (6, 6') et de la couche diélectrique (5) forme une pièce de raccordement (11) en forme de languette qui peut être insérée et fixée comme une barrette étroite dans une fente de réception de l'unité de commande (2) pour établir une connexion électrique entre la tension de fonctionnement et l'électrode (6, 6').
  7. Appareil de traitement selon l'une des revendications 1 à 6,
    caractérisé en ce que la connexion entre l'ensemble constitué de l'électrode (6, 6') et de la couche diélectrique (5) et l'unité de commande (2) peut être défaite au moyen d'un bouton de commande (12).
  8. Appareil de traitement selon l'une des revendications 1 à 7,
    caractérisé en ce que la tension de fonctionnement fournie de l'unité de commande (2) à l'électrode (6, 6') consiste en signaux à haute tension.
  9. Appareil de traitement selon l'une des revendications 1 à 8,
    caractérisé en ce que ladite au moins une électrode (6, 6') et la couche diélectrique (5) sont contenues dans une pièce d'application (1) d'un seul tenant.
  10. Appareil de traitement selon l'une des revendications 1 à 7 et 9,
    caractérisé en ce que la tension de fonctionnement fournie de l'unité de commande (2) à l'électrode (6, 6') est une tension alternative qui atteint l'électrode (6, 6') par l'intermédiaire d'un étage haute tension (36) disposé sur la pièce d'application (1).
  11. Appareil de traitement selon l'une des revendications 1 à 10,
    caractérisé en ce que l'unité de commande (2) comporte une alimentation en tension de batterie, dont la tension continue de sortie est convertie en signaux de tension alternative dans l'unité de commande par un étage onduleur (17).
EP17835582.2A 2017-01-06 2017-12-20 Pansement permanent à électrode à plasma Active EP3566553B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017100192.1A DE102017100192A1 (de) 2017-01-06 2017-01-06 Permanente Wundauflage mit Plasmaelektrode
PCT/DE2017/101088 WO2018127255A1 (fr) 2017-01-06 2017-12-20 Pansement permanent à électrode à plasma

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EP3566553A1 EP3566553A1 (fr) 2019-11-13
EP3566553B1 true EP3566553B1 (fr) 2020-12-09

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US (1) US11642161B2 (fr)
EP (1) EP3566553B1 (fr)
JP (1) JP7257679B2 (fr)
CN (1) CN110178448A (fr)
DE (1) DE102017100192A1 (fr)
ES (1) ES2859300T3 (fr)
WO (1) WO2018127255A1 (fr)

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Publication number Publication date
JP2020503910A (ja) 2020-02-06
US20210137578A1 (en) 2021-05-13
US11642161B2 (en) 2023-05-09
ES2859300T3 (es) 2021-10-01
WO2018127255A1 (fr) 2018-07-12
CN110178448A (zh) 2019-08-27
JP7257679B2 (ja) 2023-04-14
DE102017100192A1 (de) 2018-07-12
EP3566553A1 (fr) 2019-11-13

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